/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.wayang.apps.simwords

import org.apache.wayang.core.function.FunctionDescriptor.SerializableFunction

import scala.util.Random

/**
  * Attaches [[String]]s with a random [[Int]].
  */
class AddIdFunction extends SerializableFunction[String, (String, Int)] {

  lazy val random = new Random

  override def apply(t: String): (String, Int) = (t, random.nextInt())

}